Due to contention with the Certificate Services for resources- replication was stalled for %1 minutes- %2 seconds. It took an unusually long time to prepare an asynchronous replication message for transmission. This condition should be transient. If this issue persists, please contact Microsoft Product Support Services for assistance.

Details
Product:	Windows Operating System
Event ID:	1579
Source:	Active Directory
Version:	5.0
Symbolic Name:	DIRLOG_DRA_MAIL_SEND_CONTENTION
Message:	Due to contention with the Certificate Services for resources- replication was stalled for %1 minutes- %2 seconds. It took an unusually long time to prepare an asynchronous replication message for transmission. This condition should be transient. If this issue persists, please contact Microsoft Product Support Services for assistance.

Explanation
Because Certificate Services and Replication Services require the same resources, Active Directory replication is delayed. As a result, preparation of an asynchronous replication message for transmission took longer than expected. This condition is probably temporary.

User Action
No user action is required.